Remove support for -webkit-canvas and Document.getCSSCanvasContext.

third_party/WebKit/Source/core/css/CSSCanvasValue.h

Index: third_party/WebKit/Source/core/css/CSSCanvasValue.h
diff --git a/third_party/WebKit/Source/core/css/CSSCanvasValue.h b/third_party/WebKit/Source/core/css/CSSCanvasValue.h
deleted file mode 100644
index 157ab91782d52b55f37163f7bc7be03ef4cbae58..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/css/CSSCanvasValue.h
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Copyright (C) 2008 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef CSSCanvasValue_h
-#define CSSCanvasValue_h
-
-#include "core/css/CSSImageGeneratorValue.h"
-#include "core/html/HTMLCanvasElement.h"
-
-namespace blink {
-
-class Document;
-
-class CSSCanvasValue : public CSSImageGeneratorValue {
-public:
-    static PassRefPtrWillBeRawPtr<CSSCanvasValue> create(const String& name)
-    {
-        return adoptRefWillBeNoop(new CSSCanvasValue(name));
-    }
-    ~CSSCanvasValue();
-
-    String customCSSText() const;
-
-    PassRefPtr<Image> image(const LayoutObject*, const IntSize&);
-    bool isFixedSize() const { return true; }
-    IntSize fixedSize(const LayoutObject*);
-
-    bool isPending() const { return false; }
-    void loadSubimages(Document*) { }
-
-    bool equals(const CSSCanvasValue&) const;
-
-    DECLARE_TRACE_AFTER_DISPATCH();
-
-private:
-    explicit CSSCanvasValue(const String& name)
-        : CSSImageGeneratorValue(CanvasClass)
-        , m_canvasObserver(adoptPtrWillBeNoop(new CanvasObserverProxy(this)))
-        , m_name(name)
-        , m_element(nullptr)
-    {
-    }
-
-    // NOTE: We put the CanvasObserver in a member instead of inheriting from it
-    // to avoid adding a vptr to CSSCanvasValue.
-    class CanvasObserverProxy final : public NoBaseWillBeGarbageCollected<CanvasObserverProxy>, public CanvasObserver {
-        WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(CanvasObserverProxy);
-    public:
-        explicit CanvasObserverProxy(CSSCanvasValue* ownerValue) : m_ownerValue(ownerValue) { }
-
-        void canvasChanged(HTMLCanvasElement* canvas, const FloatRect& changedRect) override
-        {
-            m_ownerValue->canvasChanged(canvas, changedRect);
-        }
-        void canvasResized(HTMLCanvasElement* canvas) override
-        {
-            m_ownerValue->canvasResized(canvas);
-        }
-#if !ENABLE(OILPAN)
-        void canvasDestroyed(HTMLCanvasElement* canvas) override
-        {
-            m_ownerValue->canvasDestroyed(canvas);
-        }
-#endif
-        DEFINE_INLINE_VIRTUAL_TRACE()
-        {
-            visitor->trace(m_ownerValue);
-            CanvasObserver::trace(visitor);
-        }
-
-    private:
-        RawPtrWillBeMember<CSSCanvasValue> m_ownerValue;
-    };
-
-    void canvasChanged(HTMLCanvasElement*, const FloatRect& changedRect);
-    void canvasResized(HTMLCanvasElement*);
-
-#if !ENABLE(OILPAN)
-    void canvasDestroyed(HTMLCanvasElement*);
-#endif
-
-    HTMLCanvasElement* element(Document*);
-
-    OwnPtrWillBeMember<CanvasObserverProxy> m_canvasObserver;
-
-    // The name of the canvas.
-    String m_name;
-    // The document supplies the element and owns it.
-    RawPtrWillBeWeakMember<HTMLCanvasElement> m_element;
-};
-
-DEFINE_CSS_VALUE_TYPE_CASTS(CSSCanvasValue, isCanvasValue());
-
-} // namespace blink
-
-#endif // CSSCanvasValue_h